@article{GDZPPN002355507,
title = {Positive self-adjoint extensions of operators affiliated with a von Neumann algebra.},
journal = {Mathematica Scandinavica},
volume = {44},
year = {1979},
pages = {171-195},
zbl = {0414.46041},
url = {http://dml.mathdoc.fr/item/GDZPPN002355507}
}
Skau, Christian F. Positive self-adjoint extensions of operators affiliated with a von Neumann algebra.. Mathematica Scandinavica, Tome 44 (1979) pp. 171-195. http://gdmltest.u-ga.fr/item/GDZPPN002355507/